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Schabas, A.H.: ¬A comparative evaluation of the retrieval effectiveness of titles, Library of Congress Subject Headings and PRECIS strings for computer searching of UK MARC data (1979)
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- Imprint
- London : University of London
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Lester, M.A.: Coincidence of user vocabulary and Library of Congress Subject Headings : experiments to improve subject access in academic library online catalogs (1989)
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- Imprint
- Urbana-Champaign : Univ. of Illinois
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- OPAC 1
- Retrievalstudien 1